// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_MESSAGE_CENTER_COCOA_NOTIFICATION_CONTROLLER_H_
#define UI_MESSAGE_CENTER_COCOA_NOTIFICATION_CONTROLLER_H_

#import <Cocoa/Cocoa.h>

#include <string>

#import "base/mac/scoped_nsobject.h"
#include "ui/message_center/message_center_export.h"

namespace message_center {
class MessageCenter;
class Notification;
}

@class HoverImageButton;

// The base view controller class for notifications. A notification at minimum
// has an image, title, body, and close button. This controller can be used as
// the content for both a popup bubble and a view in the notification tray.
MESSAGE_CENTER_EXPORT
@interface MCNotificationController : NSViewController {
@protected
    // The message object. Weak.
    const message_center::Notification* notification_;

    // A copy of the notification ID.
    std::string notificationID_;

    // Controller of the notifications, where action messages are forwarded. Weak.
    message_center::MessageCenter* messageCenter_;

    // The button that invokes |-close:|, in the upper-right corner.
    base::scoped_nsobject<HoverImageButton> closeButton_;

    // The button that invokes |-settingsClicked:|, in the bottom right corner of
    // the context message.
    base::scoped_nsobject<HoverImageButton> settingsButton_;

    // The small icon associated with the notification, on the bottom right.
    base::scoped_nsobject<NSImageView> smallImage_;

    // The large icon associated with the notification, on the left side.
    base::scoped_nsobject<NSImageView> icon_;

    // The title of the message.
    base::scoped_nsobject<NSTextView> title_;

    // Body text of the message. Hidden for list notifications.
    base::scoped_nsobject<NSTextView> message_;

    // Context-giving text of the message.  Alternate font used to distinguish it.
    base::scoped_nsobject<NSTextView> contextMessage_;

    // Container for optional list view that contains multiple items.
    base::scoped_nsobject<NSView> listView_;

    // Container for optional progress bar view.
    base::scoped_nsobject<NSProgressIndicator> progressBarView_;

    // Container for optional items at the bottom of the notification.
    base::scoped_nsobject<NSView> bottomView_;
}

// Creates a new controller for a given notification.
- (id)initWithNotification:(const message_center::Notification*)notification
             messageCenter:(message_center::MessageCenter*)messageCenter;

// If the model object changes, this method will update the views to reflect
// the new model object. Returns the updated frame of the notification.
- (NSRect)updateNotification:(const message_center::Notification*)notification;

// Action for clicking on the notification's |closeButton_|.
- (void)close:(id)sender;

// Action for clicking on the notification's |settingsButton_|.
- (void)settingsClicked:(id)sender;

// Accessor for the notification.
- (const message_center::Notification*)notification;

// Gets the notification ID. This string is owned by the NotificationController
// rather than the model object, so it's safe to use after the Notification has
// been deleted.
- (const std::string&)notificationID;

// Called when the user clicks within the notification view.
- (void)notificationClicked;

@end

@interface MCNotificationController (TestingInterface)
- (NSImageView*)smallImageView;
- (NSImageView*)iconView;
@end

#endif // UI_MESSAGE_CENTER_COCOA_NOTIFICATION_CONTROLLER_H_
